Home / 70,814.40-97,672.50-48,113.70

Finding the Fourth Proportional to 70,814.40, 97,672.50 and 48,113.70

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Solution

The fourth proportional to 70,814.40, 97,672.50 and 48,113.70 is: 66,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.40 : 97,672.50 = 48,113.70 : x
  2. Step 2: Convert to fraction form
    70,814.40/97,672.50 = 48,113.70/x
  3. Step 3: Cross multiply
    70,814.40x = 97,672.50 × 48,113.70
  4. Step 4: Simplify right side
    70,814.40x = 4,699,385,363.25
  5. Step 5: Solve for x
    x = 4,699,385,363.25/70,814.40
  6. Step 6: Final answer
    x = 66,362.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.